Question # 1

The associativity of ++ operator is

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For arithmetic expression and

For pointer expression

For pointer expression and

For pointer express in and

The storage class controls

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Life time of a variable

Linkage of a variable

Scope of a variable

a , b and c above

The given statement FILE "fptr;

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Defines a pointer to the pre defined structure type FILE.

Defines a pointer to the usere defined structure type FILE

Defines a pointer to the pre-defined data type FILE DESCRIPTOR.

Creates a file pointed by fptr

Which of the following is an advantage of using macros over functions.

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Functions must have parameters, macros do not

The code associated with a function is expanded in line

Values passed to function must be of specific data type

The code associated with a function is not expanded in line.

The function fprint is used in the program.

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When too + many print calls have been used in the program.

In place of printf , as it uses more memory

When the type of the variables to be printed are not known

When the output is to be printed on to a file

What are the values of a, b are if the following code fragemnt is executed int a , b = 7

a=b<4? b << 1, b> 4?7 >> 1 a;

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Garbage and 7

7 and 3

3 and 7

3 and 3

If you declare an array without stating the elements it will be set to

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A null value

Zero

Garbage value

Set of words

Given b=110 and c =20, what is the value of 'a' after execution of the expression a = b -= c + =5?

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10

450

110

-10

String concatenating means.

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Combining two strings.

Extracting a substring out of a string.

Merging two strings.

Comparing the two string to define the larger one.

With the following declaration , the correct answer is.enum rgb (red = -1, green , blue)

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red = -1, green = -2, blue = -3

red = -1 , green = 0 blue = 1

red = -1 , green = 2 blue = 3

All above alternative are illegal declarations.

How many number of tokens are there in the following statement provided 'valeus' is an integer variable.

if value == 21)

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3

4

5

6

Which of the following functions are used in unformatted data files.

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Fscanf

Fwrite

Fread

fscanf & fwrite

If suppose a variable 'a' is initialized as int a = oxff, then what will be output for the below code.

(a << 4>>12)? printf ("Humaira') printf (" iram")

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Syntax Error

1

10

100

Every C program consists of _____________ functions.

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Only one

Only two

One or many

None of the above

Information will be passed to the function via special identifier is called.

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Arguments

Parameters

Both A and B above

Elements

The given statement of FILE * fptr,

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Defines a pointer to the pre defined structure type FILE

Define a pointer to the user defined structure type FILE.

define a pointer to the pre defined data type FILE DESCRIPTOR

Creates a file pointed by fptr

The function sprint f ( ) works like print f ( ), but operates on.

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Data file

String

Stderr

Stdin

If a = Oxaa and b = a << 1 then

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b = 2a

b = a/2

a = b -1

b = a

What is the output of the following program.

#include <studio. h>

int c [10]={1,2,3,4,5,6,7,8,9,10}

main ()

{int a, b =0:

for {a<10;++a)

if c[a]:

[romt f (%d" . n);}

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20

24

25

30

A function with no definition

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I san invalid function

Produces syntax error

Result into runtime error

Is allowed and is known as dummy function

The getchar ()function reads a

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String from a file

Character from a file

String from the key board

Character from the keyboard

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PPSC Computer Science Chapter 8 C Programming Online Test MCQs With Answers

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